alkene

音标发音

• 英式音标 [ˈæl.kiːn]
• 美式音标 [ˈæl.kiːn]
• 英式发音
• 美式发音

基本解释

• n.烯属烃(链烯)

同根派生

英汉例句

• The hydrocarbon must be an alkene.
  这个碳氢化合物必定是烯烃。
• The Alkene Double Bond: A Focus of Reactivity.
  21烯烃的双键：重点是反应活性。
• A hydrocarbon was known to be either an alkene or alkane.
  某碳氢化合物已知可能是烯烃或是烷烃。
• A hydrocarbon was known to be either an alkene or alkane .
  某碳氢化合物已知可能是烯烃或是烷烃。
• The nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc.
  亲核试剂包括烯烃、炔烃、醇、酸、胺、水等。

英英字典

剑桥英英字典

• any gas in a group that contains carbon and hydrogen atoms, with the carbon atoms joined together in a double bond